Classification of the genus Haplosphaeronis
G. †Haplosphaeronis Jaekel 1926
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†Haplosphaeronis bratterudensis Bockelie 1984
†Haplosphaeronis kiaeri Jaekel 1926
†Haplosphaeronis oblonga Angelin 1899
†Haplosphaeronis proiciens Regnell 1951